Prospectus re Admission to the Official List - Heritage Oil

EXPECTED TIMETABLE OF PRINCIPAL EVENTSPlan of Arrangement becomes effective and the Company becomes theultimate holding company of the Group (1) .................... 31 March 2008Admission and expected commencement of dealings in the OrdinaryShares on the London Stock Exchange ...................... 8.00 am on 31 March 2008Ordinary Shares credited to CREST accounts ................... 31 March 2008Last day of dealing in the HOC Common Shares ................ 2April 2008De-listing of HOC Common Shares from TSX .................. 2April 2008Admission and expected commencement of dealings in theExchangeable Shares on the London Stock Exchange ............ 8.00 am on 2 April 2008Listing of Exchangeable Shares on TSX ....................... 2 April 2008Despatch of definitive share certificates (where applicable) .........The week commencing 7 April2008Notes:(1) These dates are indicative only and will depend, among other things, on the date upon which the Court sanctions the Planof Arrangement.All times are London times unless specifically stated otherwise. Each of the times and dates in the abovetimetable are subject to change without further notice.29